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Linear ampl. keying cable with ALC for KENWOOD (7 pin Din plug)
Linear ampl. keying cable with ALC for KENWOOD (7 pin Din plug)
29.00EUR
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DUAL FAN UNIT for Kenwood TS940S
[0060]
68.00EUR

The new DUAL FAN UNIT replacement for the Kenwood TS940S transceiver

This board is a aftermarked replacement for the original power supply fan, developed as a silent replacement for the original fan to improve the ventilation of the power supply.
The DUAL FAN UNIT is fixed with the four original screws through the holes for the original fan cover plate with the round cutout (which has to be removed), maintaining the original look of the heat sink cover.
Both fans on this kit are always active, but the speed is controlled automatically. Therefore two thermal sensors detect the temperature of the air flow and adjust automatically the speed of the fans accordingly with a temperature controlled linear voltage regulator.
In addition, the minimum fan speed can be adjusted via a trimmer accessible through the slots on the heat sink cover, on the back side of the TS940 (see also the "FAN SPEED" labeled trimmer hole on the back side).
To check the function of the fans, there is also a timer circuit that enables both fans at their maximum speed for a few seconds after the TS940 is turned on.

The fans used in this kit are standard size, so they are readily available and easy to find on the market as replacement parts.
The power supply for this dual fan assembly is taken directly from output of the main rectifier D101 where there is about 40VDC, mounted directly behind the heat sink.

Each DUAL FAN UNIT is shipped as preassembled and tested.

"TS940S FAN UNIT" Project webpage

For more information, please visit this products webpage.
This product was added to our catalog on Sunday 16 January, 2022.
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Shopping Cart more
2 x Linear ampl. keying cable with relais for ICOM (8 pin Din)
1 x Linear ampl. keying cable for YAESU (10 pin Mini Din plug)
1 x Linear ampl. keying cable with relais for YAESU (10pin MiniDin)
1 x FAN UNIT for Kenwood TS930S
1 x Linear ampl. keying cable for KENWOOD (7 pin Din plug)
2 x Linear ampl. keying cable with relais for ICOM IC7300
1 x Linear ampl. keying cable for YAESU (8 pin Mini Din plug)
1 x MULTI/CH Encoder for Kenwood TS2000
2 x Linear ampl. keying cable for ICOM (8 pin Din plug)
2 x Linear ampl. keying cable with ALC for KENWOOD (7 pin Din plug)
1 x M.CH/VFO.CH Encoder for Kenwood TS870
1 x RIT/XIT Encoder for ICOM IC775(DSP)
1 x MEM/VFO CH Encoder for YAESU FT1000MP
1 x Linear ampl. keying cable with relais for YAESU (8 pin MiniDin)
1 x PTT Driver board for Kenwood TL922
604.10EUR
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